APOSTILA DE FORRAGICULTURA PDF

Structure of signal grass pasture with height variation. This study was carried out aiming to evaluate the structural characteristics of Brachiaria decumbens cv. Basilisk pasture. Four heights of plants 10, 20, 30 and 40 cm were evaluated within the same grazing area in a randomized block experimental design with two repetitions.

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Structure of signal grass pasture with height variation. This study was carried out aiming to evaluate the structural characteristics of Brachiaria decumbens cv. Basilisk pasture. Four heights of plants 10, 20, 30 and 40 cm were evaluated within the same grazing area in a randomized block experimental design with two repetitions.

Variation in the initial height of the signal grass pasture plant showed a linear and a negative response. The masses of green leaf blade mass, live stem, dead material, live forage and total forage linearly increased with heights of the plants on the pasture. Plant height on the pasture had a stronger effect on the increase of live stem and the dead material masses than it had on the green leaf blade mass. Volumetric density of green leaf blade decreased from The same response was found for volumetric densities of live forage from On the other hand, the plant heights on pasture did not affect volumetric density of live stem and dead material, which showed mean values The heights of the plants on pasture had a quadratic effect on light interception by the canopy.

Grazing areas with heights of 10, 20, 30 and 40 cm showed light interception values of It occurs and temporal variabilities on the B. Key Words: Brachiaria decumbens , bulk density of forage, forage mass, light interception, pasture height.

Basilisk em locais da mesma pastagem com diferentes alturas da forrageira. Basilisk Stapf. Os piquetes foram novamente utilizados sob pastejo, seguindo o mesmo manejo anterior, somente a partir de meados de fevereiro de Molan , trabalhando com Brachiaria brizantha cv.

Grasselli et al. Em um mesmo pasto de Brachiaria decumbens cv. Herbage production and grazing losses in Panicum maximum cv. Tropical Grasslands , v. Manejo do pastejo. Ecofisiologia de plantas forrageiras. Leaf age struture and canopy photosyntesis in rotationally and continuously grazed swards.

Grass and Forage Science , v. Recife: Sociedade Brasileira de Zootecnia, All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Services on Demand Journal. How to cite this article.

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Ecological perspective in plant production. In: Principles of ecology in plant production. CAB International. Universidade Federal do Rio Grande do Sul.

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